Finding the Fourth Proportional to 90,830,919.30, 136,267,242.96 and 26,135,260.26
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Solution
The fourth proportional to 90,830,919.30, 136,267,242.96 and 26,135,260.26 is: 39,208,893.70
Step by Step Solution
- Step 1: Write the proportion equation
90,830,919.30 : 136,267,242.96 = 26,135,260.26 : x - Step 2: Convert to fraction form
90,830,919.30/136,267,242.96 = 26,135,260.26/x - Step 3: Cross multiply
90,830,919.30x = 136,267,242.96 × 26,135,260.26 - Step 4: Simplify right side
90,830,919.30x = 3,561,379,859,672,253 - Step 5: Solve for x
x = 3,561,379,859,672,253/90,830,919.30 - Step 6: Final answer
x = 39,208,893.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.